I checked the response_error.log file and here's what it says:
20:41:25 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Mon May 21 21:18:39 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Mon May 21 21:38:09 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Mon May 21 21:49:38 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Mon May 21 21:51:35 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Mon May 21 21:53:14 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Mon May 21 22:00:28 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Tue May 22 11:17:23 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Tue May 22 11:23:05 MST 2007:- HTTP Basic Authentication failed. Can't retrive Merchant Id/Key, Installed over CGI??
Does this mean that his merchant ID and Key are wrong or not working?